Web servers technologies — 39 tools tracked

Apache 611,397 sites Nginx 547,364 sites LiteSpeed 170,092 sites OpenResty 117,095 sites Microsoft IIS 50,303 sites Caddy 8,553 sites OpenGSE 7,708 sites Tengine 7,242 sites Apache HTTP Server 6,345 sites OpenSSL 5,052 sites Cowboy 2,107 sites Kestrel 1,755 sites Engintron 1,443 sites Google Web Server 580 sites mod_ssl 564 sites Apache Tomcat 331 sites EZproxy 285 sites Uvicorn 211 sites Centminmod 131 sites OpenBSD httpd 116 sites Zope 108 sites HCL Domino 73 sites mod_python 38 sites Starlet 28 sites RoadRunner 15 sites Resin 12 sites Shelf 10 sites Daphne 9 sites IIS 8 sites Jetty 6 sites Hypercorn 5 sites mod_wsgi 4 sites Mongrel 3 sites TwistedWeb 3 sites Hiawatha 2 sites H2O 2 sites TornadoServer 1 sites XAMPP 1 sites Yaws 1 sites